WELBA MRF-2 Series User Manual

5. Operation
104781 - MRF-2 | MRH-2 - V2.4 - 22.07.2020 Page 37
Description
Range
Default
H27
Compressor protection (time relay function)
0 .. 3
0
Assignment of blocking time in case of switch-off by digital input or temperature alarm.
Blocking time see [H28]]
0: disabled
1: applies to relay 1
2: applies to relay 2
3: applies to relay 1 and relay 2
H28
Compressor blocking time
0 .. 990 sec.
240
H31
H32
H33
H34
H35
Activation delay digital input 1
Activation delay digital input 2
Activation delay digital input 3
Activation delay digital input 4
Activation delay digital input 5
0 .. 250 sec.
0 .. 250 sec.
0 .. 250 sec.
0 .. 250 sec.
0 .. 250 sec.
0
0
0
0
0
Time which must pass before message from a digital input is accepted.
H36
H37
H38
H39
H40
Circuitry digital input 1
Circuitry digital input 2
Circuitry digital input 3
Circuitry digital input 4
Circuitry digital input 5
0 .. 1
0 .. 1
0 .. 1
0 .. 1
0 .. 1
0
0
0
0
0
0: low aktiv
1: high aktiv
H41
H42
H43
H44
H45
Delay time after mains ON for digital input 1
Delay time after mains ON for digital input 2
Delay time after mains ON for digital input 3
Delay time after mains ON for digital input 4
Delay time after mains ON for digital input 5
0 .. 250 sec.
0 .. 250 sec.
0 .. 250 sec.
0 .. 250 sec.
0 .. 250 sec.
0
0
0
0
0
Time after mains ON or start after ‚stand-by‘ during which messages from all digital inputs
are ignored.
H50
Function ON / OFF - button
0 .. 2
1
0: no function
1: Controller is switched on or off by pressing button.
2: The selected relay contact is switched on or off by pressing button
(toggle function)
H53
H54
Scaling analogue input at 0 V / 4 mA
Scaling analogue input at 10 V / 20 mA
-99° .. 100°
-99° .. 100°
0,0°
10,0°
H55
Line monitoring at 4 .. 20 mA input
0 .. 1
0
0: disabled
1: enabled
H60
H61
H62
H63
Min. adjustable value for temperature alarm 1
[C40 / C41]
Max.adjustable value for temperature alarm 1
[C40 / C41]
Min. adjustable value for temperature alarm 2
[C42 / C43]
Max.adjustable value for temperature alarm 2
[C42 / C43]
-50°..400°
-50°..400°
-50°..400°
-50°..400°
-50°
150°
-50°
150°

WELBA MRF-2 Series Specifications

General

Brand	WELBA
Model	MRF-2 Series
Category	Controller
Language	English